compare does not work on comparing standards - why, Compare feature does not work on comparing standards - why?

[Guest]

This goes to the Medical Device or pharma industry who uses ISO or BS EN ISO standards.

[John T Smith]

Please post the name of the program you are using so a Moderator may move this message to the correct program forum

This Cloud forum is not about help with program problems... a program would be Photoshop or Lightroom or Muse or ???